Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 21 APRIL WORK RIDERS MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Love Bite
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
8 / 13
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Love Bite            3    60.0    1    0.00     3.0   60    60           60    +0
2    Floreana Island      3    60.0    2    0.25     3.0   72    60           62    -10
3    Mandalay             3    60.0    3    4.50     3.0   70    60           60    -10
4    British Diva         3    60.0    4    7.75     3.0   70    60           60    -10
5    Taste Maker          3    60.0    5    8.00     3.0   54    60           60    +6
6    Smelting             7    60.0    6    9.25     0.0   56    66           66    +10
7    Mychancetodream      3    60.0    7    11.25    3.0   54    60           60    +6
8    Batik                3    60.0    8    12.00    3.0   -     60           60    +60
9    Lexi Lou             3    60.0    9    17.50    3.0   -     60           60    +60
10   Beaded Gown          3    60.0    10   99.99    3.0   -     60           60    +60
99   Future Thinker       3    60.0    99   0.00     3.0   -     60           60    +0
99   Stormy Lass          3    60.0    99   0.00     3.0   -     60           60    +0
99   Gaetana              3    60.0    99   0.00     3.0   -     60           60    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Love Bite Line 60 65 60 +5 3.0
2 Floreana Island 72 66 62 +4 3.0 -
3 Mandalay 70 53 60 -7 3.0 -
4 British Diva 70 50 60 -10 3.0 -
5 Taste Maker 54 54 60 -6 3.0 -
6 Smelting 56 52 66 -14 0.0 -
7 Mychancetodream 54 53 60 -7 3.0 -
8 Batik - 57 60 -3 3.0 -
9 Lexi Lou - 10 60 -50 3.0 -
10 Beaded Gown - 58 60 -2 3.0 -
99 Future Thinker - 44 60 -16 3.0 -
99 Stormy Lass - 61 60 +1 3.0 -
99 Gaetana - 26 60 -34 3.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points